Senior Frontend Engineer

• What major projects have you worked on in your current organization?
• What is the most challenging project, and how did you tackle the challenge?

What is the difference between React.js and Next.js? (Learn)

What is SEO? How can you make a website SEO-friendly? (Learn)

What is the difference between SSR (Server-Side Rendering) and CSR (Client-Side Rendering)?

const obj = {
   name: "John",

   printNameWithTimeout: function() {
      setTimeout(function(){
          console.log(this.name);   
      }, 1000);
   }
}

const m = {};
m[[1,2,3]] = "John";
console.log(m[[1,2,3]]);

console.log("1");
const promise1 =  new Promise((resolve, reject) => {
  console.log("2");
  setTimeout(() => {
      console.log("3");
      resolve(1);
  }, 1000);
});

console.log("4");

promise1.then((value) => {
  console.log("5");
  console.log(value);
})

console.log("6");

Write a polyfill for the call function.

Write a custom hook useUndoRedo() in TypeScript.

• What is an Intersection Observer, and how does it work?
• What is the difference between code splitting, lazy loading, and dynamic loading? When do you use each?
• What is Redux Toolkit, and what do you use for data fetching?